Mine detail: Congress Mine

Previously called 'Queen of the Hills'

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Location

Lat / long:

34.20088, -112.85047

Resource(M)

Primary:	Gold, Silver
Secondary:	Copper
Tertiary:	Lead, Uranium
Ore:	Galena, Gold, Liebigite, Pyrite
Gangue:	Goethite, Quartz
Orebody form:	FLAT LENSES, PINCH/SWELL
Discovery year:	1883

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1899-1910, OTHER
First production started:	1887
Last production ended:	1950

Geology

Host type:	Mafic Intrusive Rock,Diorite,Andesite
Structure:	Granite Is Massive And Unfoliated, Veins Parallel Andesite Dikes Which Trend E-W To Ne And Dip At Low Angles, Less Than 40 Deg
Alteration processes:	None

References

MRDS	M003323
DEP	10027544
Reference	{Deposit:: WILSON, E.D., 1934, ARIZONA LODE GOLD MINES AND GOLD MINING: ARIZONA BUREAU OF MINES BULLETIN 137, P. 69.}{Deposit:: ARIZONA DEPT OF MINERAL RESOURCES FILE DATA.}{Deposit:: METZGER, 1938, USBM IC 6991, P. 45.}{Deposit:: NIEMUTH, N.J., 1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P.}{Deposit:: SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATS BUREAU OF MINES SPECIAL PUBLICATION, 334 P.}{Other Database:: CIMRI}{Production:: A.B.M. BULLETIN 137, P. 70.}{Reserve-Resource:: NIEMUTH, 1987.}
Reporter	Johnson, Kris H. (Creasey, S.C.), Roth, Frances A. (Dewitt, Ed), Orris, Greta J., Gere, W.